强调是有效地进行思想交流的重要手段之一。人们在交际过程中,为了使自己的思想能为听者或读者恰当的理解,必须突出重要的内容,这就需要运用强调的手段。1.强调句的定义2.强调的构成在现代英语中,人们可以通过语音手段、词汇手段、语法手段来进行强调。语法手段1.用Itis/was…that/who…句型表示强调。被强调的部分(通常是句子的主语、状语、宾语或宾语补足语)放在is/was的后面,如被强调的是人,则后面可用who,whom等代替。Hemetanoldfriendintheparkyesterday.强调主语Itwashewho/thatmetanoldfriendintheparkyesterday.强调宾语Itwasanoldfriendthat/whohemetintheparkyesterday.Hemetanoldfriendintheparkyesterday.Itwasintheparkthathemetanoldfriendyesterday.强调地点状语强调时间状语Itwasyesterdaythathemetanoldfriendinhepark.NB:1.Itis/was…that…强调句型的强调部分必须是对that/who之后句子的某一成分表示强调,如果把Itis(was)...that去掉,该句应该意思完整,不缺任何句子成分。区分下例两句:Itwas7o’clockwhenhecameback.Itwasat7o’clockthathecameback.他回来时7点钟了.他是7点钟回来的。NB:2.Itis/was…that…强调句型的被强调部分如果是原因状语从句,只能由because引导,不能由since、as或why引导。Itwasbecausethewaterhadrisenthattheycouldnotcrosstheriver.正是由于水涨了,他们没有渡过河去。NB:3.注意not...until强调句型的变化。Comparethefollowing:Shedidn'trememberherappointmentwiththedoctoruntilshehadarrivedhome.Itwasnotuntilshehadarrivedhomethatsherememberedherappointmentwiththedoctor.Notuntilshehadarrivedhomedidsherememberherappointmentwiththedoctor.NB:4.Itis/was…that…强调句型中,that作宾语时可以省略,Itwasanewdictionary(that)Fatherboughtforme.Wasither(that)youweretalkingabout?NB:5.如果强调的是特殊疑问句,要用“特殊疑问词+is/was+it+that+…”结构,表示“究竟是谁……,到底在哪里……”等等。Whowasitthatyouwanttosee?Wherewasitthatyousawtheteacher?Whyisitthatyouwanttochangeyourmind?你究竟为什么要改变主意?2.用助动词do,does或did来强调谓语动词。Docomeearly.Hedidsendyoualetterlastweek.We’repleasedthatshedoesintendtocome.3.用主语从句+be+被强调部分,主语从句常用what引导。Johnwantsaball.WhatJohnwantsisaball.Marygivespianolessonseveryday.WhatMarydoeseverydayis(to)givepianolessons.4.还可以通过改变句子结构或颠倒正常语序的手段来进行强调。NeverwillChinabethefirsttousenuclearweapons.Example:Happyarethosewhoarecontent.知足常乐。Onlyinthiswaycanwecatchupwithandsurpasstheworld'sadvancedlevelofscienceandtechnology.Exercises:1.It_____MikeandMarywhohelpedtheoldmanseveraldaysago.A.wasB.areC.wereD.hadbeenI.Fillintheblanks2.Itwasnotuntil1920_____regularradiobroadcastsbegan.A.whichB.whenC.thatD.since4.Itwasthetraining_____hehadasayoungman_____madehimsuchagoodengineer.A.what;thatB.that;whatC.that;whichD.which;that4.---Wereallthreepeopleinthecarinjuredintheaccident?---No,______onlythetwopassengerswhogothurt.A.therewereB.itwereC.therewasD.itwasII.句型转换改写下列各句,1.Billmadeakiteatschoolyesterday.2.Johnsellspotatoes.3.Themotherlovesherbabydearly.ItwasBillwhomadeakiteatschoolyesterday.ItispotatoesthatJohnsells.Themotherdoesloveherbabydearly.4.Ipaintedthedoorwhite.5.Sheleftherglovesinyourroom.6.MrSmithgaveanewpentome.ItwaswhitethatIpaintedthedoor.Itwasinyourroomthatshelefthergloves.ItwasmethatMrSmithgaveapento.